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97334 (1999 XY256)
Classification: Main-belt Asteroid          SPK-ID: 2097334
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03215571547807724 6.7778e-08  
a 3.008937218247288 2.1707e-08 au
q 2.912182689165931 2.0448e-07 au
i 10.45753644098789 7.0293e-06 deg
node 39.43730894688556 2.5673e-05 deg
peri 146.3922528452833 6.3063e-05 deg
M 256.9294531793161 5.8496e-05 deg
tp 2459746.320943208419
(2022-Jun-15.82094321)		 0.00031167 TDB
period 1906.417940101573
5.22		 2.0629e-05
5.648e-08		 d
yr
n .1888358226322709 2.0434e-09 deg/d
Q 3.105691747328645 2.2405e-08 au
   Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:14:55  

Additional Information
 Earth MOID = 1.91438 au 
 Jupiter MOID = 1.85894 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457213.5 (2015-Jul-10.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03187176643125214 6.8457e-08  
q 2.911754233156196 2.0615e-07 au
tp 2457868.286421624037
(2017-Apr-24.78642162)		 0.00030064 TDB
node 39.47506846393251 2.5685e-05 deg
peri 151.8022136154158 6.2081e-05 deg
i 10.45774583388456 7.0333e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:14:55  

Additional Information
 Jupiter MOID = 1.85894 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.686347251713108E-15 -1.403889284165358E-14 -1.45592151059336E-14 -3.961500351017452E-15 3.371433994892524E-14 -2.836087476160676E-15
q -1.403889284165358E-14 4.249687431837733E-14 1.621534176218725E-12 8.413424803613984E-15 1.689747220294864E-13 1.07451594510839E-14
tp -1.45592151059336E-14 1.621534176218725E-12 9.038262860918457E-8 -3.965398338388228E-11 1.70173346279924E-8 1.786489317895962E-11
node -3.961500351017452E-15 8.413424803613984E-15 -3.965398338388228E-11 6.597294781544875E-10 -6.558549078800375E-10 -1.05024662982948E-10
peri 3.371433994892524E-14 1.689747220294864E-13 1.70173346279924E-8 -6.558549078800375E-10 3.854020591996684E-9 1.065045001565457E-10
i -2.836087476160676E-15 1.07451594510839E-14 1.786489317895962E-11 -1.05024662982948E-10 1.065045001565457E-10 4.946766402965598E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.32   n/a E2021B10  
diameter diameter 5.043 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97334 (1999 XY256)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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Alternate Designations
 1999 XY256 = 2001 CY30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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